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SpO2 yog dab tsi?

Tsis ntev los no, pulse oximetry (SpO2) tau txais kev saib xyuas los ntawm pej xeem vim qee tus kws kho mob pom zoo kom cov neeg mob kuaj pom tias muaj COVID-19 saib xyuas lawv cov qib SpO2 hauv tsev.Yog li, nws ua rau kev nkag siab rau ntau tus neeg xav tias "Dab tsi SpO2?"thawj zaug.Tsis txhob txhawj, thov nyeem thiab peb yuav qhia koj txog dab tsi SpO2 yog dab tsi thiab ntsuas nws li cas.

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SpO2 sawv cev rau cov ntshav oxygen saturation. Cov neeg laus noj qab nyob zoo feem ntau muaj 95% -99% ntshav saturation, thiab ib qho kev nyeem ntawv qis dua 89% feem ntau ua rau muaj kev txhawj xeeb.

Lub pulse oximeter siv lub tshuab hu ua pulse oximeter los ntsuas cov pa oxygen hauv cov qe ntshav liab.Tus ntaus ntawv yuav tso saib kojSpO2raws li feem pua.Cov neeg uas muaj kab mob ntsws xws li mob ntsws obstructive pulmonary disease (COPD), mob hawb pob lossis mob ntsws, lossis cov neeg uas tsis ua pa ib ntus thaum pw tsaug zog (pw tsaug zog apnea) tej zaum yuav muaj qis dua SpO2.Pulse oximetry tuaj yeem muab lub peev xwm ceeb toom ntxov rau ntau yam teeb meem ntsig txog lub ntsws, uas yog vim li cas qee tus kws kho mob pom zoo kom lawv cov neeg mob COVID-19 tsis tu ncua saib xyuas lawv cov SpO2.Feem ntau, cov kws kho mob feem ntau ntsuas SpO2 hauv cov neeg mob thaum kuaj xyuas yooj yim, vim tias qhov no yog txoj hauv kev yooj yim thiab yooj yim los chij cov teeb meem kev noj qab haus huv lossis txiav tawm lwm yam kab mob.

Txawm hais tias nws tau paub txij li xyoo 1860 tias hemoglobin yog cov khoom ntawm cov ntshav uas thauj cov pa oxygen mus rau tag nrho lub cev, nws yuav siv sijhawm 70 xyoo rau qhov kev paub no ncaj qha rau tib neeg lub cev.Nyob rau hauv 1939, Karl Matthes tau tsim ib tug pioneer ntawm niaj hnub mem tes oximeters.Nws tau tsim ib lub cuab yeej siv lub teeb liab thiab infrared los ntsuas cov pa oxygen saturation hauv tib neeg pob ntseg.Thaum Ntiaj Teb Tsov Rog Zaum II, Glenn Millikan tau tsim thawj daim ntawv thov siv thev naus laus zis no.Txhawm rau daws qhov teeb meem ntawm tus tsav lub zog hluav taws xob thaum lub sijhawm ua haujlwm siab, nws txuas lub pob ntseg oximeter (lub ntsiab lus nws tau tsim) rau lub kaw lus uas ncaj qha muab cov pa oxygen rau tus tsav lub npog ntsej muag thaum cov pa nyeem ntawv qis dhau.

Nihon Kohden's bioengineer Takuo Aoyagi tau tsim thawj pulse oximeter tiag tiag hauv xyoo 1972, thaum nws sim siv lub pob ntseg oximeter los taug qab cov xim ntawm cov xim los ntsuas cov zis ntawm lub plawv dhia.Thaum nws sim nrhiav txoj hauv kev los tawm tsam cov teeb liab cov khoom siv los ntawm tus neeg mob lub plawv dhia, nws pom tau hais tias lub suab nrov los ntawm cov mem tes yog tag nrho los ntawm cov kev hloov hauv cov hlab ntsha.Tom qab ob peb xyoos ntawm kev ua haujlwm, nws muaj peev xwm tsim tau ob lub wavelength ntaus ntawv uas siv cov kev hloov hauv cov hlab ntsha hauv cov hlab ntsha kom ntsuas qhov nqus oxygen hauv cov ntshav kom raug ntau dua.Susumu Nakajima tau siv cov thev naus laus zis no los tsim thawj qhov chaw kho mob, thiab pib sim rau cov neeg mob hauv xyoo 1975. Nws tsis yog txog thaum xyoo 1980s uas Biox tau tso tawm thawj qhov kev lag luam ua tiav pulse oximeter rau kev ua lag luam ua pa.Los ntawm xyoo 1982, Biox tau txais cov ntawv ceeb toom tias lawv cov cuab yeej siv los ntsuas cov ntshav oxygen saturation ntawm cov neeg mob tshuaj loog thaum phais.Lub tuam txhab pib ua haujlwm sai sai thiab pib tsim cov khoom tsim tshwj xeeb rau cov tshuaj loog.Qhov ua tau zoo ntawm kev ntsuas SpO2 thaum lub sijhawm phais tau lees paub sai.Nyob rau xyoo 1986, American Society of Anesthesiologists tau txais kev siv lub plawv dhia oximetry ua ib feem ntawm nws cov qauv kev saib xyuas.Nrog rau qhov kev txhim kho no, pulse oximeters tau siv dav hauv lwm lub tsev kho mob, tshwj xeeb tshaj yog tom qab tso tawm thawj tus kheej txaus ntiv tes mem tes oximeter hauv xyoo 1995.

Feem ntau hais lus, cov kws kho mob tuaj yeem siv peb hom khoom siv los ntsuas qhovSpO2ntawm tus neeg mob: multi-function lossis multi-parameter, tus neeg mob saib xyuas, txaj txaj lossis tes tuav mem tes oximeter lossis ntiv tes mem tes oximeter.Thawj ob hom kev saib xyuas tuaj yeem ntsuas cov neeg mob tsis tu ncua, thiab feem ntau tuaj yeem tso saib lossis luam tawm daim duab ntawm kev hloov pauv ntawm cov pa oxygen nyob rau lub sijhawm.Spot-check oximeters feem ntau yog siv rau kev thaij duab thaij duab ntawm tus neeg mob saturation ntawm lub sijhawm tshwj xeeb, yog li cov no feem ntau yog siv rau kev kuaj mob hauv tsev kho mob lossis chaw kho mob.


Post lub sij hawm: Apr-02-2021